18QHTF21-10.0408-PD

Overview

The 18QHTF21-10.0408-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.0408 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a power-down function for standby mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down capability for energy conservation
• Utilizes LVCMOS output interface

Applications

• Battery-powered portable devices
• General electronic timing circuits
• Digital signal processing systems

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Ensure the 1.8V supply rail stability meets the oscillator specifications to maintain accurate timing performance. Confirm that the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet.

Selection Notes

Select this component when a precise 10.0408 MHz reference is required in space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power digital logic families. Consider the power-down feature if battery life extension is a critical design parameter for the target application.

Part Context

This part belongs to the Mercury Electronics SMD oscillator series, designed for surface-mount assembly. The manufacturer specializes in quartz-based frequency control products, including crystals and oscillators. This specific model represents a standard XO variant optimized for compact form factors and low voltage applications.

Replacement Considerations

Direct substitutes include other 10.0408 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pin compatibility and electrical parameters such as supply voltage and current consumption before substitution.